Worldwide, Olegaria (Olegaria 
) is quite a rare girly forename. The forename Olegaria is characteristic of Latin America and the Caribbean, particularly Argentina, where it is quite a rare female name, Mexico, and Paraguay. Measured by absolute frequency, it is the most numerous in Latin America and the Caribbean, particularly Mexico, Argentina, and Brazil. Likewise, Olegaria is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Olegaria | Brazil, Argentina, Mexico, Philippines, Spain |
| olegaria machado amor Uruguayan poet, teacher and translator, UY (b. 1863) |
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| olegaria venancia alverez Peerage person ID=43626 |
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| olegaria carrazco macías Mexican politician |
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